28998160

素因数分解:

$2^4\times 5^1\times {\mathrm{131}}^1\times {\mathrm{2767}}^1$

素因数の和:2911

約数の個数: 40

約数和(自身を含む): 67959936

約数和(自身を除く): 38961776

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 131, 262, 524, 655, 1048, 1310, 2096, 2620, 2767, 5240, 5534, 10480, 11068, 13835, 22136, 27670, 44272, 55340, 110680, 221360, 362477, 724954, 1449908, 1812385, 2899816, 3624770, 5799632, 7249540, 14499080, 28998160]

約数ペア:

[(1, 28998160), (2, 14499080), (4, 7249540), (5, 5799632), (8, 3624770), (10, 2899816), (16, 1812385), (20, 1449908), (40, 724954), (80, 362477), (131, 221360), (262, 110680), (524, 55340), (655, 44272), (1048, 27670), (1310, 22136), (2096, 13835), (2620, 11068), (2767, 10480), (5240, 5534)]